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C28000 Muntz Metal vs. C77400 Nickel Silver

Both C28000 Muntz Metal and C77400 nickel silver are copper alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 10 to 45
25
Poisson's Ratio 0.31
0.3
Rockwell B Hardness 55 to 78
73
Shear Modulus, GPa 40
42
Shear Strength, MPa 230 to 330
360
Tensile Strength: Ultimate (UTS), MPa 330 to 610
570
Tensile Strength: Yield (Proof), MPa 150 to 370
250

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 900
810
Melting Onset (Solidus), °C 900
770
Specific Heat Capacity, J/kg-K 390
390
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
27
Electrical Conductivity: Equal Weight (Specific), % IACS 31
31

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 46
57
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
290
Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 11 to 21
20
Strength to Weight: Bending, points 13 to 20
19
Thermal Shock Resistance, points 11 to 20
18

Alloy Composition

Copper (Cu), % 59 to 63
43 to 47
Iron (Fe), % 0 to 0.070
0
Lead (Pb), % 0 to 0.3
0 to 0.2
Nickel (Ni), % 0
9.0 to 11
Zinc (Zn), % 36.3 to 41
41.3 to 48
Residuals, % 0
0 to 0.5